Key fob working sporadically
08-02-2024, 07:36 AM
#1
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Key fob working sporadically
Hey all! I have a weird issue going on and hope someone can help.
The remote locks on my 2010 JK recently started working sporadically. Sometimes they work from the fob, but it's a guessing game. It's not the remote fobs themselves. I have two and tested both of them with the same results. It's not a locking module because I have remote start app that also let's me control the locks and locate my Jeep. If I walk up to it and the fob doesn't work, I can open it most of the time with my phone. That does fail once in a while too but not very often. If all else fails, I have to use the keys and set off the alarm which is quite annoying.
Is there a specific module somewhere that controls the remote locks?
Any thoughts?
Thank you.
The remote locks on my 2010 JK recently started working sporadically. Sometimes they work from the fob, but it's a guessing game. It's not the remote fobs themselves. I have two and tested both of them with the same results. It's not a locking module because I have remote start app that also let's me control the locks and locate my Jeep. If I walk up to it and the fob doesn't work, I can open it most of the time with my phone. That does fail once in a while too but not very often. If all else fails, I have to use the keys and set off the alarm which is quite annoying.
Is there a specific module somewhere that controls the remote locks?
Any thoughts?
Thank you.
08-02-2024, 09:00 AM
#2
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Unfortunately, I don't have a direct answer to your question. But I do have a few more questions to present that may be useful for you to consider.
Was the remote start a dealer installed option?
If not, do you have access to the installation instructions?
Was ECM programming involved in the upgrade? if so, were troubleshooting instructions included?
I recently found that a TPMS programming tool I fooled with had a function that allowed you to check the strength of a signal from a car remote. While it seems unlikely that both of your remotes would behave badly at the same time, testing them might still be useful as a double check. I suspect that shops who do tire work or key programming would likely have similar test tools. It might be worth a few phone calls.
Was the remote start a dealer installed option?
If not, do you have access to the installation instructions?
Was ECM programming involved in the upgrade? if so, were troubleshooting instructions included?
I recently found that a TPMS programming tool I fooled with had a function that allowed you to check the strength of a signal from a car remote. While it seems unlikely that both of your remotes would behave badly at the same time, testing them might still be useful as a double check. I suspect that shops who do tire work or key programming would likely have similar test tools. It might be worth a few phone calls.
08-04-2024, 07:53 AM
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Hey Jim. Those are all good thoughts.
The remote start is aftermaket. It was installed about four years ago and hasn't been touched recently.
I thought about taking the fobs to Batteries Plus. I think they have a signal tester. I may still do that if I can't figure this out.
I'm exploring a new revelation. This problem started after I had the doors off and put them back on. I had the front doors off again and the remote seemed to work (for the back doors and gate). I only had them off for a few hours so I need to do a longer study. I'm going to pull them again for a few days and see if the connection there is causing the problem. I did try to make sure the co section was better when I put them back on, but I'm having problems again.
To be continued...
The remote start is aftermaket. It was installed about four years ago and hasn't been touched recently.
I thought about taking the fobs to Batteries Plus. I think they have a signal tester. I may still do that if I can't figure this out.
I'm exploring a new revelation. This problem started after I had the doors off and put them back on. I had the front doors off again and the remote seemed to work (for the back doors and gate). I only had them off for a few hours so I need to do a longer study. I'm going to pull them again for a few days and see if the connection there is causing the problem. I did try to make sure the co section was better when I put them back on, but I'm having problems again.
To be continued...
